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-rw-r--r--keyboards/handwired/onekey/sipeed_longan_nano/chconf.h23
-rw-r--r--keyboards/handwired/onekey/sipeed_longan_nano/config.h37
-rw-r--r--keyboards/handwired/onekey/sipeed_longan_nano/halconf.h23
-rw-r--r--keyboards/handwired/onekey/sipeed_longan_nano/mcuconf.h29
-rw-r--r--keyboards/handwired/onekey/sipeed_longan_nano/readme.md5
-rw-r--r--keyboards/handwired/onekey/sipeed_longan_nano/rules.mk11
6 files changed, 128 insertions, 0 deletions
diff --git a/keyboards/handwired/onekey/sipeed_longan_nano/chconf.h b/keyboards/handwired/onekey/sipeed_longan_nano/chconf.h
new file mode 100644
index 0000000000..b1eb18de78
--- /dev/null
+++ b/keyboards/handwired/onekey/sipeed_longan_nano/chconf.h
@@ -0,0 +1,23 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#define CH_CFG_ST_RESOLUTION 16
+
+#define CH_CFG_ST_FREQUENCY 10000
+
+#include_next <chconf.h>
diff --git a/keyboards/handwired/onekey/sipeed_longan_nano/config.h b/keyboards/handwired/onekey/sipeed_longan_nano/config.h
new file mode 100644
index 0000000000..1825b936d8
--- /dev/null
+++ b/keyboards/handwired/onekey/sipeed_longan_nano/config.h
@@ -0,0 +1,37 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "config_common.h"
+
+#define MATRIX_COL_PINS \
+ { B0 }
+#define MATRIX_ROW_PINS \
+ { A7 }
+#define UNUSED_PINS
+
+#define BACKLIGHT_PIN A1 /* Green LED. */
+#define BACKLIGHT_PWM_DRIVER PWMD5 /* GD32 numbering scheme starts from 0, TIMER4 on GD32 boards is TIMER5 on STM32 boards. */
+#define BACKLIGHT_PWM_CHANNEL 2 /* GD32 numbering scheme starts from 0, Channel 1 on GD32 boards is Channel 2 on STM32 boards. */
+
+#define RGB_DI_PIN A2
+#define RGB_CI_PIN B13
+
+#define ADC_PIN A0
+
+#define I2C1_CLOCK_SPEED 1000000 /* GD32VF103 supports fast mode plus. */
+#define I2C1_DUTY_CYCLE FAST_DUTY_CYCLE_2
diff --git a/keyboards/handwired/onekey/sipeed_longan_nano/halconf.h b/keyboards/handwired/onekey/sipeed_longan_nano/halconf.h
new file mode 100644
index 0000000000..2579c58747
--- /dev/null
+++ b/keyboards/handwired/onekey/sipeed_longan_nano/halconf.h
@@ -0,0 +1,23 @@
+/* Copyright 2021 QMK
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#define HAL_USE_PWM TRUE
+#define HAL_USE_ADC TRUE
+#define HAL_USE_I2C TRUE
+
+#include_next <halconf.h>
diff --git a/keyboards/handwired/onekey/sipeed_longan_nano/mcuconf.h b/keyboards/handwired/onekey/sipeed_longan_nano/mcuconf.h
new file mode 100644
index 0000000000..eba0dd9eeb
--- /dev/null
+++ b/keyboards/handwired/onekey/sipeed_longan_nano/mcuconf.h
@@ -0,0 +1,29 @@
+/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+ ChibiOS - Copyright (C) 2021 Stefan Kerkmann
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef GD32_ADC_USE_ADC0
+#define GD32_ADC_USE_ADC0 TRUE
+
+#undef GD32_I2C_USE_I2C0
+#define GD32_I2C_USE_I2C0 TRUE
+
+#undef GD32_PWM_USE_TIM4
+#define GD32_PWM_USE_TIM4 TRUE
diff --git a/keyboards/handwired/onekey/sipeed_longan_nano/readme.md b/keyboards/handwired/onekey/sipeed_longan_nano/readme.md
new file mode 100644
index 0000000000..0a3a291576
--- /dev/null
+++ b/keyboards/handwired/onekey/sipeed_longan_nano/readme.md
@@ -0,0 +1,5 @@
+# Sipeed Longan Nano onekey
+
+Supported Hardware: *GD32VF103CB Sipeed Longan Nano*.
+
+To trigger keypress, short together pins *B0* and *A7*. \ No newline at end of file
diff --git a/keyboards/handwired/onekey/sipeed_longan_nano/rules.mk b/keyboards/handwired/onekey/sipeed_longan_nano/rules.mk
new file mode 100644
index 0000000000..aef4fee6b2
--- /dev/null
+++ b/keyboards/handwired/onekey/sipeed_longan_nano/rules.mk
@@ -0,0 +1,11 @@
+# MCU name
+MCU = GD32VF103
+BOARD = SIPEED_LONGAN_NANO
+
+# Bootloader selection
+BOOTLOADER = gd32v-dfu
+
+# Build Options
+# change yes to no to disable
+#
+KEYBOARD_SHARED_EP = yes